Finding the Volume of a Bounded Region in 3D Space using Multiple Integrals.

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SUMMARY

The discussion focuses on calculating the volume of a bounded region in 3D space defined by the equations x + y = 4, y² + 4z² = 16, and z = 4 - 4(x² + y²)². Participants express uncertainty about setting up the integrals necessary for this calculation. A key point raised is that the plane x + y = 4 and the elliptical cylinder do not define a bounded region, suggesting the need for a visual representation to clarify the problem.

PREREQUISITES
  • Understanding of multiple integrals in calculus
  • Familiarity with 3D geometric shapes and their equations
  • Knowledge of cylindrical coordinates
  • Ability to sketch 3D regions based on equations
NEXT STEPS
  • Study the setup of multiple integrals for volume calculation
  • Learn about the properties of elliptical cylinders
  • Explore the use of cylindrical coordinates in volume problems
  • Practice sketching 3D regions defined by multiple equations
USEFUL FOR

Students and professionals in mathematics, particularly those studying calculus and geometry, as well as educators looking to enhance their teaching of volume calculations in 3D space.

nameVoid
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vollume bounded by
x+y=4
y^2+4z^2=16

not sure how to set this up

also

I 6y+x dx + y+2x dy
along
(x-2)^2+(y-3)^2=4

also

vollume bounded above by
z=4-4(x^2+y^2)^2
below by
(x^2+y^2)^2-1
 
Last edited:
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nameVoid said:
bounded by
x+y=4
y^2+4z^2=16

not sure how to set this up
What's the whole problem? The plane x + y = 4 and the elliptical cylinder don't define a bounded region.

Have you drawn a sketch of the solid?
 

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